forked from KolibriOS/kolibrios
9fd32b8cdf
git-svn-id: svn://kolibrios.org@1913 a494cfbc-eb01-0410-851d-a64ba20cac60
166 lines
4.0 KiB
C
166 lines
4.0 KiB
C
#include <stdarg.h>
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tp_obj tp_string_t(TP, int n) {
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tp_obj r = tp_string_n(0,n);
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r.string.info = (_tp_string*)tp_malloc(sizeof(_tp_string)+n);
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r.string.val = r.string.info->s;
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return r;
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}
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tp_obj tp_printf(TP, char const *fmt,...) {
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int l;
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tp_obj r;
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char tmp[2000];
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char *s;
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va_list arg;
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va_start(arg, fmt);
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l = vsnprintf(tmp, sizeof(tmp), fmt,arg);
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r = tp_string_t(tp,l);
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s = r.string.info->s;
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va_end(arg);
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va_start(arg, fmt);
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vsprintf(s,fmt,arg);
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va_end(arg);
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return tp_track(tp,r);
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}
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int _tp_str_index(tp_obj s, tp_obj k) {
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int i=0;
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while ((s.string.len - i) >= k.string.len) {
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if (memcmp(s.string.val+i,k.string.val,k.string.len) == 0) {
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return i;
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}
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i += 1;
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}
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return -1;
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}
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tp_obj tp_join(TP) {
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tp_obj delim = TP_OBJ();
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tp_obj val = TP_OBJ();
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int l=0,i;
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tp_obj r;
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char *s;
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for (i=0; i<val.list.val->len; i++) {
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if (i!=0) { l += delim.string.len; }
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l += tp_str(tp,val.list.val->items[i]).string.len;
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}
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r = tp_string_t(tp,l);
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s = r.string.info->s;
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l = 0;
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for (i=0; i<val.list.val->len; i++) {
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tp_obj e;
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if (i!=0) {
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memcpy(s+l,delim.string.val,delim.string.len); l += delim.string.len;
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}
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e = tp_str(tp,val.list.val->items[i]);
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memcpy(s+l,e.string.val,e.string.len); l += e.string.len;
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}
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return tp_track(tp,r);
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}
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tp_obj tp_string_slice(TP,tp_obj s, int a, int b) {
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tp_obj r = tp_string_t(tp,b-a);
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char *m = r.string.info->s;
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memcpy(m,s.string.val+a,b-a);
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return tp_track(tp,r);
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}
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tp_obj tp_split(TP) {
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tp_obj v = TP_OBJ();
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tp_obj d = TP_OBJ();
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tp_obj r = tp_list(tp);
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int i;
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while ((i=_tp_str_index(v,d))!=-1) {
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_tp_list_append(tp,r.list.val,tp_string_slice(tp,v,0,i));
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v.string.val += i + d.string.len; v.string.len -= i + d.string.len;
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/* tp_grey(tp,r); // should stop gc or something instead*/
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}
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_tp_list_append(tp,r.list.val,tp_string_slice(tp,v,0,v.string.len));
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/* tp_grey(tp,r); // should stop gc or something instead*/
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return r;
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}
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tp_obj tp_find(TP) {
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tp_obj s = TP_OBJ();
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tp_obj v = TP_OBJ();
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return tp_number(_tp_str_index(s,v));
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}
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tp_obj tp_str_index(TP) {
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tp_obj s = TP_OBJ();
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tp_obj v = TP_OBJ();
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int n = _tp_str_index(s,v);
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if (n >= 0) { return tp_number(n); }
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tp_raise(tp_None,"tp_str_index(%s,%s)",s,v);
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}
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tp_obj tp_str2(TP) {
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tp_obj v = TP_OBJ();
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return tp_str(tp,v);
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}
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tp_obj tp_chr(TP) {
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int v = TP_NUM();
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return tp_string_n(tp->chars[(unsigned char)v],1);
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}
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tp_obj tp_ord(TP) {
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char const *s = TP_STR();
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return tp_number((unsigned char)s[0]);
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}
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tp_obj tp_strip(TP) {
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char const *v = TP_STR();
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int i, l = strlen(v); int a = l, b = 0;
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tp_obj r;
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char *s;
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for (i=0; i<l; i++) {
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if (v[i] != ' ' && v[i] != '\n' && v[i] != '\t' && v[i] != '\r') {
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a = _tp_min(a,i); b = _tp_max(b,i+1);
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}
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}
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if ((b-a) < 0) { return tp_string(""); }
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r = tp_string_t(tp,b-a);
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s = r.string.info->s;
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memcpy(s,v+a,b-a);
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return tp_track(tp,r);
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}
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tp_obj tp_replace(TP) {
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tp_obj s = TP_OBJ();
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tp_obj k = TP_OBJ();
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tp_obj v = TP_OBJ();
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tp_obj p = s;
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int i,n = 0;
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int c;
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int l;
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tp_obj rr;
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char *r;
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char *d;
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tp_obj z;
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while ((i = _tp_str_index(p,k)) != -1) {
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n += 1;
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p.string.val += i + k.string.len; p.string.len -= i + k.string.len;
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}
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/* fprintf(stderr,"ns: %d\n",n); */
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l = s.string.len + n * (v.string.len-k.string.len);
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rr = tp_string_t(tp,l);
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r = rr.string.info->s;
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d = r;
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z = p = s;
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while ((i = _tp_str_index(p,k)) != -1) {
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p.string.val += i; p.string.len -= i;
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memcpy(d,z.string.val,c=(p.string.val-z.string.val)); d += c;
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p.string.val += k.string.len; p.string.len -= k.string.len;
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memcpy(d,v.string.val,v.string.len); d += v.string.len;
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z = p;
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}
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memcpy(d,z.string.val,(s.string.val + s.string.len) - z.string.val);
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return tp_track(tp,rr);
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}
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